Homophthalic acid
Homophthalic acid is a dicarboxylic acid with the formula C6H4(CO2H)CH2CO2H. It is a colorless solid. The compounds can be prepared by the Willgerodt reaction from 2-acetylbenzoic acid.[3]
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Names | |
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IUPAC name
2-(Carboxymethyl)benzoic acid | |
Other names
α-Carboxy-o-toluic acid Carboxyphenyl acetic acid | |
Identifiers | |
3D model (JSmol) |
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.001.740 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
C9H8O4 | |
Molar mass | 180.159 g·mol−1 |
Appearance | Off-white to light yellow or pale green |
Melting point | 181 °C (358 °F; 454 K) [2] |
Hazards | |
GHS pictograms | ![]() |
GHS Signal word | Warning |
GHS hazard statements |
H315, H319, H335 |
P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
One of the uses is in the preparation of the NSAID tesicam.
References
- Index
- Homophthalic Acid | C9H8O4 | Chemspider
- Schwenk, Erwin; Papa, Domenick "Preparation of aryl aliphatic acids by the modified Willgerodt reaction" Journal of Organic Chemistry (1946), 11, 798-802. doi:10.1021/jo01176a023
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